public static bool AddRow(DataTable table, string Msg)
        {
            Console.Write("Enter the user's details. Data separator '|'. " +
                          $"\n Format: name|surname|year of birth|phone number|{Msg} : \n");
            string txt = Console.ReadLine();

            string[] Arr = txt.Split("|");
            if (Arr.Length != 5)
            {
                Console.WriteLine("the data entered is incorrect");
                return(false);
            }
            else
            {
                return(AddRowMethods[table.TableName](Arr));
            }
        }
        public static bool AddRowForReplace(DataTable table, string Id)
        {
            bool result = false;

            Console.Write("Enter the new user's details. Data separator '|'. " +
                          "\n Format: name|surname|year of birth|phone number : \n");
            string txt = Console.ReadLine();

            string[] Arr = txt.Split("|");
            Array.Resize(ref Arr, Arr.Length + 1);
            Arr[Arr.Length - 1] = Id;
            if (Arr.Length != 5)
            {
                Console.WriteLine("the data entered is incorrect");
            }
            else
            {
                if (AddRowMethods[table.TableName](Arr))
                {
                    return(true);
                }
            }
            return(result);
        }